Design Of Multi-Modulation Baseband Modulator And Demodulator For Software Defined Radio

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dc.contributor.authorChye, Yin Hui
dc.date.accessioned2018-11-28T02:10:34Z
dc.date.available2018-11-28T02:10:34Z
dc.date.issued2011-12
dc.description.abstractIn contrast to hardware-based radio that only delivers single communication service using particular standard, the software defined radio (SDR) provides a highly reconfigurable platform to integrate various functions for multi-modulation, multiband and multi-standard wireless communication systems. However, this project is only based on multi-modulation SDR, such as 4-PAM, BPSK, QPSK and 16-QAM. The configurable multi-modulation baseband modulator (MMBM) and demodulator (MMBD) are designed using digital signal processing (DSP) algorithms based on common features shared by single-modulation structures, and then implemented into Xilinx Virtex-4 FPGA. Comparing the real-time and simulation results shows that the timings are equivalent, and the sign and magnitude changes are significant. Furthermore, at least 17% FPGA utilizations have been saved for the configurable MMBM and MMBD as compared to the grouped-modulation baseband modulator and demodulator respectively, which are modified from the previous works. Moreover, digitalto- analog converter (DAC) and analog-to-digital converter (ADC) can be changed for different applications by integrating setup configuration for DAC and ADC into the configurable MMBM and MMBD respectively. Besides, the configurable MMBM and MMBD can be further modified to include higher M-ary modulations of PSK, PAM and QAM.en_US
dc.identifier.urihttp://hdl.handle.net/123456789/7140
dc.language.isoenen_US
dc.publisherUniversiti Sains Malaysiaen_US
dc.subjectDesign of multi-modulation baseband modulatoren_US
dc.subjectDemodulator for software defined radioen_US
dc.titleDesign Of Multi-Modulation Baseband Modulator And Demodulator For Software Defined Radioen_US
dc.typeThesisen_US
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